IAD - SXM

$196 Find Cheap Flights from Washington Dulles Airport to Simpson Bay

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Simpson Bay departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

Search hundreds of travel sites at once for deals on flights to Simpson Bay

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Simpson Bay, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Simpson Bay, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flight Deals from Dulles Intl to Princess Juliana (IAD-SXM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Princess Juliana that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Dulles Intl to Simpson Bay

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Dulles Intl to Simpson Bay.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:03 pm - 5:09 pmIAD-SXM
46h 06m2 stops
6:31 pm - 7:21 pmSXM-IAD
25h 50m2 stops
$325Frontier
Find Deal
Wed, Feb 19 - Mon, Feb 24
5:54 pm - 5:15 pmIAD-SXM
23h 21m2 stops
6:35 pm - 7:46 pmSXM-IAD
25h 11m2 stops
$344Frontier
Find Deal
Sun, Mar 16 - Fri, Mar 21
2:21 am - 11:23 amIAD-SXM
9h 02m1 stop
12:18 pm - 4:20 amSXM-IAD
16h 02m1 stop
$545Copa Airlines
Find Deal
Tue, May 20 - Sun, May 25
7:25 am - 3:16 pmIAD-SXM
6h 51m1 stop
1:40 pm - 12:31 amSXM-IAD
10h 51m1 stop
$566Delta
Find Deal
Wed, Feb 19 - Wed, Mar 26
6:00 am - 3:16 pmIAD-SXM
8h 16m1 stop
1:40 pm - 12:31 amSXM-IAD
10h 51m1 stop
$567Delta
Find Deal
Wed, Feb 19 - Wed, Mar 26
5:28 pm - 1:10 pmIAD-SXM
19h 42m2 stops
4:15 pm - 8:38 amSXM-IAD
16h 23m2 stops
$571American Airlines
Find Deal
Sat, Mar 29 - Thu, Apr 3
5:00 am - 3:24 pmIAD-SXM
10h 24m2 stops
4:25 pm - 4:22 pmSXM-IAD
23h 57m2 stops
$572American Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29
8:23 am - 12:35 pmIAD-SXM
4h 12mnonstop
3:55 pm - 8:17 pmSXM-IAD
4h 22mnonstop
$631United Airlines
Find Deal
Sun, Jun 29 - Sun, Jul 6
1:18 am - 11:13 amIAD-SXM
8h 55m1 stop
12:13 pm - 3:15 amSXM-IAD
16h 02m1 stop
$635Copa Airlines
Find Deal
Thu, Feb 20 - Sun, Feb 23
8:39 am - 1:44 pmIAD-SXM
4h 05mnonstop
3:55 pm - 8:27 pmSXM-IAD
4h 32mnonstop
$642United Airlines
Find Deal
Sun, Mar 2 - Mon, Mar 10

Flights from Dulles Intl to Simpson Bay - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Simpson Bay to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Simpson Bay?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Simpson Bay clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington Dulles Airport to Simpson Bay, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Simpson Bay, Monday is the cheapest day to fly and Friday is the most expensive.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Simpson Bay?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of $862, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Simpson Bay?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Simpson Bay, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Simpson Bay, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know

Low season

May

High season

June

Cheapest flight

$196
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Washington Dulles Airport to Simpson Bay

When to book flights from Dulles Intl to Simpson Bay

Are your dates flexible? Find out the best times to travel from Dulles Intl to Simpson Bay based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Simpson Bay flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Simpson Bay?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Simpson Bay was $196 for a one-way ticket and $325 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Simpson Bay?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington Dulles Airport and on arrival in Simpson Bay.

  • Which airports will I be using when flying from Washington Dulles Airport to Simpson Bay?

    When flying out of Washington Dulles Airport you will be using Washington, D.C. Dulles Intl. You will be landing at Simpson Bay, also known as Simpson Bay Princess Juliana.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Simpson Bay?

    JetBlue, American Airlines, and Delta offer inflight Wi-Fi service on the Washington Dulles Airport to Simpson Bay flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Simpson Bay?

    The Boeing 737-700 is the aircraft model that flies most regularly on the Washington Dulles Airport to Simpson Bay flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Simpson Bay?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Simpson Bay.

  • On which days can I fly direct from Washington Dulles Airport to Simpson Bay?

    You can catch a nonstop flight from Washington Dulles Airport to Simpson Bay on Saturday, and Sunday.

  • Which is the best airline for flights from Washington, D.C. to Simpson Bay, Delta or Copa Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Simpson Bay are Delta and Copa Airlines. With an average price for the route of $655 and an overall rating of 8.0, Delta is the most popular choice. Copa Airlines is also a great choice for the route, with an average price of $524 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Simpson Bay?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Simpson Bay.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Simpson Bay?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Simpson Bay from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Simpson Bay?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Simpson Bay with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and SXM can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Simpson Bay?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Simpson Bay from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Simpson Bay

  • Looking for a cheap flight? 25% of our users found flights on this route for $318 or less one-way and $656 or less round-trip.

Prefer to fly direct from Washington Dulles Airport to Simpson Bay?

Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights
See more direct flights

Top 4 airlines serving from Dulles Intl to Simpson Bay

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Simpson Bay. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Simpson Bay? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 8521 reviews
7.3Food
8.2Boarding
8.6Crew
7.9Entertainment
8.0Comfort
Airline reviews

Great service. Great staff. Boarding was a little slow, but I think there was a service dog slowing things down.

10.0 ExcellentD, Jan 2025ABE - ATL
Read more Delta reviews

Great service. Great staff. Boarding was a little slow, but I think there was a service dog slowing things down.

Flight left early and arrived early. the whole trip was excellent.

Seats were really tight and the seat belts did not give enough slack.

I like in St George and prefer to fly out of CDC than SGU. Hopefully, they will continue the flights out of Cedar

Broken jer bridge. Poor communication about it. Lost 2 of 4 luggage pieces

Overall, it was okay. Seat was a little cramped. Would’ve liked more substantial snacks or opportunity to buy some.

Newer plane, relatively easy boarding, not a full flight and was told that we could not be moved up because of weight and balance issues. Otherwise, a very good experience.

Other then mechanical/ computer problem and 3.5 hours flight delay the flight was great. I guess that what happened when you fly an old airplane now a day.

I was with one of the last zones to board. It was kind of annoying to finally get called to board and my whole section was already on the plane. Clearly they boarded with previous zones. So by the time I got on board, there were no spaces for my luggage above my head. I had to put my luggage 4+ rows behind me, which meant that I had to wait even longer to get off the plane, since I had to wait for those rows to clear the aisle before I could retrieve my luggage and exit the plane. This also held up the plane cleaners, as they couldn't service my row until I cleared it, so they were all standing there waiting for me, while I'm standing there waiting for the other passengers to clear the aisle. Anyways, I wasn't in a rush this time, so I just waited, but I could see that being a problem in the future. Now, I could have checked my luggage, of course, but coincidentally, a friend of mine on the same flight got their luggage damaged (wheel completely knocked off) and was told by the Baggage Attendant in the airport that Delta doesn't "cover wheel damage" on luggage. This was disappointing to hear. I'm glad I didn't check mine through. If it were my luggage, I'd be highly frustrated to hear that. It makes me not want to check my luggage in the future.

The dear was very limited in space. I could put my water bottle in seat basket. Also, there was no inflight entertainment in the delta app?

Very good flight and crew Food was a surprise on a short flight

Biggest issue was that they only had two restrooms in the back of the aircraft. Too many people for only two restrooms. The trash was overflowing and there was paper on the floor too. Long lines in the isle to use it. Food was also a bit meh. They don’t offer snacks with drinks, so you might want to buy a snack to hold you off on a longer trip, since the meals are very small.

Great! The airline is very spacious and the crow was good.

It was first time fling in copa airline. In general I am satisfied except bag size. I got a email from copa with 17-10-6 for carry on bag. In airport the check in show 22-14-10 . However that mistake means $100,00 in over cost.

Not being in the back row and having to pay for a better seat

Good trip, excellent attention. I like Copa Airlines, the best. 👍🏻

Boarding groups were called up in Spanish only. Luckily I know some of the language. They gave out grilled cheese sandwiches and a cup of fruit. I was very disappointed. I could only eat the cup of fruit because the only other option was vanilla pudding. The entertainment system and seating were great though.

Everything was smooth and crew was very polite and friendly.

Seemed roomier than most US domestic airlines and they served food.

The flight was 6 hours delayed due to equipment problems, I had to spend my night in the airport terminal in tight quarters. A bag of chips was all they offered, Then I missed my connecting flight and waited another 2 hours. All in all that trip took me almost one day.

Maybe add a seat trade app for flyers that didn’t get seats together

It’s been awhile since I have traveled on United. I, along with my family who were on the flight noted how smoothly everything went . Boarding, flight crew and service was excellent.

The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.

I completely missed my flight because the first leg was longer than planned. I had to sleep overnight in the airport because no accommodation was provided and then sent to Trinidad in the morning with an anticipated 7 hour layover before my flight to Georgetown which was now with Caribbean Airlines. I tried twice with customer service to see if they could put me on an earlier flight which had seats available but was told it wasn’t possible.

First class felt like economy, seats were horrible, food was horrible, staff inattentive

EVen warmer in the plane it think it was 24+ degrees

The flying experience was great. The flight was on time with no boarding issues during a peak travel period. The short cut baggage drop and process was not smooth and efficient at Dulles.

Fast checkin with the self serve terminal, good communication at the boarding gate.

Very friendly staff. The flight was on time. Need a bit heavy covers/blankets. It can get colder with a thin blanket.

The plane was clean. The staff was excellent. The flight attendants were very good. Enjoyable flight. Overall. The seats in the back are too small but, will always be.

I paid for what I got which was cheap, I brought my own entertainment. I knew what to expect, so I could be prepared. If you’re flying economy, check in early like me. I have no problems with my flight, was on time, staff were friendly, and overall good experience.

Boarded over an hour late, no communication, the sign just changed, no attendant to answer questions - she disappeared forever (hiding). Small plane and couldn’t hear the overhead nor understand.

Service in first class no longer exists on American Airlines .

Customer service in first class does not exist on American Airlines

I never have a good experience with American and this was no different. The airplane was INCREDIBLY hot. Like unbearably so. Everyone was fanning themselves with pamphlets and sweating. When someone asked the flight attendant to turn down the temperature they were told there was nothing the crew could do. Once we pushed back from the gate we then had to wait an hour to take off and the communication from the crew was not good. People were getting up this whole time and a man was even in the bathroom when we took off. Once we landed at our destination we waited another 30 minutes at the gate to deplane with, again, no communication from the crew as to what was going on.

Flight was delayed due to a steering issue with plane. The delay caused me to miss the connecting flight. The delay caused me to spend an extra 21 hours in airports and flights to get to my destination. The plane issue obviously should have been found and fixed before we even boarded. Ridiculous.

First, to be fair, the flight was on time and the trip through the air was relatively smooth. But the flight was full, and they were checking carryons. As this process went on, the crew got increasingly rude and overbearing. During the drink service, a young girl (maybe 9) who had gotten up to use the lavatory got stuck behind the cart. At some point, she started feeling fearful and overwhelmed. Passengers noticed this and asked the crew to let her return to her seat. They refused. Then she started crying, and they still refused to move the cart forward to let her sit. The poor girl was trying to be brave and compose herself. The crew handled the situation terribly and with zero grace or decency. That episode, to me, encapsulates AA’s attitude toward its passengers. Disgraceful. The plane itself was cramped and miserable, as usual. There was zero inflight media or entertainment, other than the lane and borderline inappropriate jokes the steward made during the safety briefing. Then, of course, it took the better part of an hour for the checked bags to show up at the carousel. AA is no better than the el cheapo airlines these days and a far, far cry from its former self.

This particular flight wasn't very full at the back, so there were three seats available for spreading out and getting relatively comfortable

First class flight attendant was rude and lacked any customer service skills.

Customer service for American Airlines first class is at an all time low.

Everything you need to know for your flight from Dulles Intl to Simpson Bay

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.